# Greenvolt vs Voltage

The clearest difference is in-app purchases: Greenvolt at none against Voltage's 1. Greenvolt also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.2). Voltage's advantage is update cadence (every 5 days vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. Voltage sells 1 one-off in-app purchase. Greenvolt asks for nothing beyond the download.

Greenvolt ships an update every 5 weeks, Voltage every 5 days. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Greenvolt | Voltage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/voltage-volt-ampera-bolt-obd/id6774315064/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 34 MB | 54 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Greenvolt](https://appshunter.io/developer/1679783880) | [Oleksandr Radchenko](https://appshunter.io/developer/6774315066) |

## What reviewers say

### Greenvolt

[App page](https://appshunter.io/ios/app/greenvolt/id6449967954)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Voltage

[App page](https://appshunter.io/ios/app/voltage-volt-ampera-bolt-obd/id6774315064)

This app provides comprehensive diagnostic and control features for specific GM electric and hybrid vehicles. It allows users to monitor various vehicle parameters, perform deep diagnostics, and even control certain functions remotely via an OBD2 adapter.

**Highlights:** Deep DTC scanning, Live parameter monitoring, Real-time battery analysis, HV Unlock function, Remote start and climate control, Charge management and scheduling, Module reset and clearing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium upgrade | $24.99 | one-time |


## Frequently asked questions

### Is Greenvolt free?

Greenvolt is free to download, with no in-app purchases.

### Is Voltage free?

Voltage is free to download, with in-app purchases available.

### Do Greenvolt or Voltage have ads?

Neither Greenvolt nor Voltage shows ads.

### Which is updated more often, Greenvolt or Voltage?

Greenvolt ships an update every 5 weeks, and Voltage every 5 days. Most recently, Greenvolt was updated on September 22, 2026 and Voltage on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*